B33113313132313113313223313331323133313223313231333133313232233221111
>>
B3311331313231311331322331333132313331322331323133313331323223322111
<<
B33113313132313113313223313331323133313223313231333133313232233221113
>>
B33113313132313113313223313331323133313223313231333133313232233221112
>>